indices  indices of a polynomial; also components for a direct sum
Description
indices has two uses in Macaulay2: indices of a direct sum, or indices of a polynomial. Additionally, the symbol is used as a key in a direct sum under which to store a list of the preferred keys used to index the components of the direct sum.
See also

directSum  direct sum of modules or maps

components  list the components of a direct sum

indexComponents  specify keys for components of a direct sum

index  numeric index of a ring variable

support  list of variables occurring in a polynomial or matrix
Ways to use indices :

indices(HashTable) (missing documentation)

indices(Matrix)  see indices(RingElement)  indices of variables occurring in a polynomial

indices(RingElement)  indices of variables occurring in a polynomial